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<h1>serial2.c</h1><a href="serial2_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*********************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment"> Copyright 2006 MakingThings</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Licensed under the Apache License, </span>
<a name="l00006"></a>00006 <span class="comment"> Version 2.0 (the "License"); you may not use this file except in compliance </span>
<a name="l00007"></a>00007 <span class="comment"> with the License. You may obtain a copy of the License at</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> http://www.apache.org/licenses/LICENSE-2.0 </span>
<a name="l00010"></a>00010 <span class="comment"> </span>
<a name="l00011"></a>00011 <span class="comment"> Unless required by applicable law or agreed to in writing, software distributed</span>
<a name="l00012"></a>00012 <span class="comment"> under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR</span>
<a name="l00013"></a>00013 <span class="comment"> CONDITIONS OF ANY KIND, either express or implied. See the License for</span>
<a name="l00014"></a>00014 <span class="comment"> the specific language governing permissions and limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment">*********************************************************************************/</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment">/** \file serial2.c </span>
<a name="l00019"></a>00019 <span class="comment">  Functions for working with the Serial Interface on the Make Controller Board.</span>
<a name="l00020"></a>00020 <span class="comment">*/</span>
<a name="l00021"></a>00021 
<a name="l00022"></a>00022 <span class="comment">/* Library includes. */</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00025"></a>00025 
<a name="l00026"></a>00026 <span class="comment">/* Scheduler includes. */</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "FreeRTOS.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "task.h"</span>
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="comment">/* Hardware specific headers. */</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "Board.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "AT91SAM7X256.h"</span>
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 <span class="preprocessor">#include "config.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "io.h"</span>
<a name="l00036"></a>00036 
<a name="l00037"></a>00037 <span class="preprocessor">#include "serial2.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "serial2_internal.h"</span>
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 Serial2_ Serial2[ 2 ];
<a name="l00041"></a>00041 <span class="keywordtype">int</span> Serial2_Users;
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 <span class="keyword">extern</span> void ( Serial2Isr_Wrapper )( void );
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 <span class="keyword">static</span> <span class="keywordtype">int</span> Serial2_Init( <span class="keywordtype">int</span> index );
<a name="l00046"></a>00046 <span class="keyword">static</span> <span class="keywordtype">int</span> Serial2_Deinit( <span class="keywordtype">int</span> index );
<a name="l00047"></a>00047 <span class="keyword">static</span> <span class="keywordtype">int</span> Serial2_SetDefault( <span class="keywordtype">int</span> index );
<a name="l00048"></a>00048 <span class="keyword">static</span> <span class="keywordtype">int</span> Serial2_SetDetails( <span class="keywordtype">int</span> index );
<a name="l00049"></a>00049 <span class="comment"></span>
<a name="l00050"></a>00050 <span class="comment">/**</span>
<a name="l00051"></a>00051 <span class="comment">  Set the active state of the Serial subsystem.  This is automatically set to </span>
<a name="l00052"></a>00052 <span class="comment">  true by any call to Serial2_Write or Serial2_Read.</span>
<a name="l00053"></a>00053 <span class="comment">  @param state An integer specifying the active state - 1 (on) or 0 (off).</span>
<a name="l00054"></a>00054 <span class="comment">  @return CONTROLLER_OK (=0) on success.</span>
<a name="l00055"></a>00055 <span class="comment">*/</span>
<a name="l00056"></a><a class="code" href="serial2_8c.html#3ad2249053f2af0a87d54acbe2b8892f">00056</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#3ad2249053f2af0a87d54acbe2b8892f" title="Set the active state of the Serial subsystem.">Serial2_SetActive</a>( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> state )
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00059"></a>00059     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00060"></a>00060 
<a name="l00061"></a>00061   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00062"></a>00062 
<a name="l00063"></a>00063   <span class="keywordflow">if</span> ( state )
<a name="l00064"></a>00064   {
<a name="l00065"></a>00065     <span class="keywordflow">if</span> ( s2p-&gt;users++ == 0 )
<a name="l00066"></a>00066     {
<a name="l00067"></a>00067       Serial2_Init( index );
<a name="l00068"></a>00068     }
<a name="l00069"></a>00069   }
<a name="l00070"></a>00070   <span class="keywordflow">else</span>
<a name="l00071"></a>00071   {
<a name="l00072"></a>00072     <span class="keywordflow">if</span> ( s2p-&gt;users &gt; 0 ) 
<a name="l00073"></a>00073     {
<a name="l00074"></a>00074       <span class="keywordflow">if</span> ( --s2p-&gt;users == 0 )
<a name="l00075"></a>00075       {
<a name="l00076"></a>00076         Serial2_Deinit( index );
<a name="l00077"></a>00077       }
<a name="l00078"></a>00078     }
<a name="l00079"></a>00079   }
<a name="l00080"></a>00080   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 <span class="comment"></span>
<a name="l00083"></a>00083 <span class="comment">/**</span>
<a name="l00084"></a>00084 <span class="comment">  Read the active state of the Serial subsystem.</span>
<a name="l00085"></a>00085 <span class="comment">  @return State - 1/non-zero (on) or 0 (off).</span>
<a name="l00086"></a>00086 <span class="comment">*/</span>
<a name="l00087"></a><a class="code" href="serial2_8c.html#df7ee44e4cedb77083f4b8d4446d63ae">00087</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#df7ee44e4cedb77083f4b8d4446d63ae" title="Read the active state of the Serial subsystem.">Serial2_GetActive</a>( <span class="keywordtype">int</span> index )
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00090"></a>00090     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00091"></a>00091 
<a name="l00092"></a>00092   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00093"></a>00093 
<a name="l00094"></a>00094   <span class="keywordflow">return</span> s2p-&gt;users &gt; 0;
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 <span class="comment"></span>
<a name="l00097"></a>00097 <span class="comment">/** </span>
<a name="l00098"></a>00098 <span class="comment">  Write a block of data to the Serial port.  Will block for the time specified (in ms)</span>
<a name="l00099"></a>00099 <span class="comment">  if the queue fills up.</span>
<a name="l00100"></a>00100 <span class="comment">  @param buffer A pointer to the buffer to write from.</span>
<a name="l00101"></a>00101 <span class="comment">  @param count An integer specifying the number of bytes to write.</span>
<a name="l00102"></a>00102 <span class="comment">  @param timeout Time in milliseconds to block waiting for the queue to free up. 0 means don't wait.</span>
<a name="l00103"></a>00103 <span class="comment">  @return status.</span>
<a name="l00104"></a>00104 <span class="comment">*/</span>
<a name="l00105"></a><a class="code" href="serial2_8c.html#5f21941637a2a450a2837247dca6dfdc">00105</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#5f21941637a2a450a2837247dca6dfdc" title="Write a block of data to the Serial port.">Serial2_Write</a>( <span class="keywordtype">int</span> index, uchar* buffer, <span class="keywordtype">int</span> count, <span class="keywordtype">int</span> timeout )
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00108"></a>00108     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00109"></a>00109 
<a name="l00110"></a>00110   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00111"></a>00111 
<a name="l00112"></a>00112   <span class="keywordflow">if</span> ( s2p-&gt;users == 0 )
<a name="l00113"></a>00113   {
<a name="l00114"></a>00114     <span class="keywordtype">int</span> status = <a class="code" href="serial2_8c.html#3ad2249053f2af0a87d54acbe2b8892f" title="Set the active state of the Serial subsystem.">Serial2_SetActive</a>( index, 1 );
<a name="l00115"></a>00115     <span class="keywordflow">if</span> ( status != <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a> )
<a name="l00116"></a>00116       <span class="keywordflow">return</span> status;
<a name="l00117"></a>00117   }
<a name="l00118"></a>00118 
<a name="l00119"></a>00119   <span class="comment">// Do the business</span>
<a name="l00120"></a>00120   <span class="keywordflow">while</span> ( count )
<a name="l00121"></a>00121   {
<a name="l00122"></a>00122     <span class="keywordflow">if</span>( xQueueSend( s2p-&gt;transmitQueue, buffer++, timeout ) == 0 ) 
<a name="l00123"></a>00123       <span class="keywordflow">return</span> <a class="code" href="group___error.html#g7f84a0c690875b21180d0177b6e23f42" title="An error with the queue.">CONTROLLER_ERROR_QUEUE_ERROR</a>; 
<a name="l00124"></a>00124     count--;
<a name="l00125"></a>00125   }
<a name="l00126"></a>00126    
<a name="l00127"></a>00127   <span class="comment">/* Turn on the Tx interrupt so the ISR will remove the character from the </span>
<a name="l00128"></a>00128 <span class="comment">  queue and send it. This does not need to be in a critical section as </span>
<a name="l00129"></a>00129 <span class="comment">  if the interrupt has already removed the character the next interrupt </span>
<a name="l00130"></a>00130 <span class="comment">  will simply turn off the Tx interrupt again. */</span> 
<a name="l00131"></a>00131   s2p-&gt;at91UARTRegs-&gt;US_IER = AT91C_US_TXRDY; 
<a name="l00132"></a>00132  
<a name="l00133"></a>00133   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 <span class="comment"></span>
<a name="l00136"></a>00136 <span class="comment">/** </span>
<a name="l00137"></a>00137 <span class="comment">  Read data from the Serial port.  Will block for the time specified (in ms) if </span>
<a name="l00138"></a>00138 <span class="comment">  there are insufficient characters.  Blocking can be avoided if Serial2_GetReadable( )</span>
<a name="l00139"></a>00139 <span class="comment">  is used to determine how many characters are available to read prior to calling</span>
<a name="l00140"></a>00140 <span class="comment">  this function.</span>
<a name="l00141"></a>00141 <span class="comment">  @param buffer A pointer to the buffer to read into.</span>
<a name="l00142"></a>00142 <span class="comment">  @param size An integer specifying the maximum number of bytes to read.</span>
<a name="l00143"></a>00143 <span class="comment">  @param timeout Time in milliseconds to block waiting for the specified number of bytes. 0 means don't wait.</span>
<a name="l00144"></a>00144 <span class="comment">  @return number of bytes read (&gt;=0) or error &lt;0 .</span>
<a name="l00145"></a>00145 <span class="comment">*/</span>
<a name="l00146"></a><a class="code" href="serial2_8c.html#53b9cbef8c6d2df68f5b952ff8c48dd5">00146</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#53b9cbef8c6d2df68f5b952ff8c48dd5" title="Read data from the Serial port.">Serial2_Read</a>( <span class="keywordtype">int</span> index, uchar* buffer, <span class="keywordtype">int</span> size, <span class="keywordtype">int</span> timeout )
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00149"></a>00149     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00150"></a>00150 
<a name="l00151"></a>00151   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00152"></a>00152 
<a name="l00153"></a>00153   <span class="keywordflow">if</span> ( s2p-&gt;users == 0 )
<a name="l00154"></a>00154   {
<a name="l00155"></a>00155     <span class="keywordtype">int</span> status = <a class="code" href="serial2_8c.html#3ad2249053f2af0a87d54acbe2b8892f" title="Set the active state of the Serial subsystem.">Serial2_SetActive</a>( index, 1 );
<a name="l00156"></a>00156     <span class="keywordflow">if</span> ( status != <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a> )
<a name="l00157"></a>00157       <span class="keywordflow">return</span> status;
<a name="l00158"></a>00158   }
<a name="l00159"></a>00159 
<a name="l00160"></a>00160   <span class="comment">// Do the business</span>
<a name="l00161"></a>00161   <span class="keywordtype">int</span> count = 0;
<a name="l00162"></a>00162   <span class="keywordflow">while</span> ( count &lt; size )
<a name="l00163"></a>00163   {
<a name="l00164"></a>00164     <span class="comment">/* Place the character in the queue of characters to be transmitted. */</span> 
<a name="l00165"></a>00165     <span class="keywordflow">if</span>( xQueueReceive( s2p-&gt;receiveQueue, buffer++, timeout ) == 0 )
<a name="l00166"></a>00166       <span class="keywordflow">break</span>;
<a name="l00167"></a>00167     count++;
<a name="l00168"></a>00168   }
<a name="l00169"></a>00169 
<a name="l00170"></a>00170   <span class="keywordflow">return</span> count;
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172 <span class="comment"></span>
<a name="l00173"></a>00173 <span class="comment">/** </span>
<a name="l00174"></a>00174 <span class="comment">  Returns the number of bytes in the queue waiting to be read.</span>
<a name="l00175"></a>00175 <span class="comment">  @return bytes in the receive queue.</span>
<a name="l00176"></a>00176 <span class="comment">*/</span>
<a name="l00177"></a><a class="code" href="serial2_8c.html#c8ed4335d61042e279ab295300f917bf">00177</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#c8ed4335d61042e279ab295300f917bf" title="Returns the number of bytes in the queue waiting to be read.">Serial2_GetReadable</a>( <span class="keywordtype">int</span> index )
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00180"></a>00180     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00181"></a>00181 
<a name="l00182"></a>00182   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00183"></a>00183 
<a name="l00184"></a>00184   <span class="keywordflow">return</span> uxQueueMessagesWaiting( s2p-&gt;receiveQueue );
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 <span class="comment"></span>
<a name="l00187"></a>00187 <span class="comment">/** </span>
<a name="l00188"></a>00188 <span class="comment">  Sends a character (in the range of 0 to 255) to the write queue</span>
<a name="l00189"></a>00189 <span class="comment">  @param character The character to be sent.  Must be 0 &lt;= c &lt; 256.</span>
<a name="l00190"></a>00190 <span class="comment">  @return status.</span>
<a name="l00191"></a>00191 <span class="comment">*/</span>
<a name="l00192"></a><a class="code" href="serial2_8c.html#0bd064b63fd6aec22cba41e654152053">00192</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#0bd064b63fd6aec22cba41e654152053" title="Sends a character (in the range of 0 to 255) to the write queue.">Serial2_SetChar</a>( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> character )
<a name="l00193"></a>00193 {
<a name="l00194"></a>00194   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00195"></a>00195     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00196"></a>00196 
<a name="l00197"></a>00197   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00198"></a>00198 
<a name="l00199"></a>00199   <span class="keywordflow">if</span> ( s2p-&gt;users == 0 )
<a name="l00200"></a>00200   {
<a name="l00201"></a>00201     <span class="keywordtype">int</span> status = <a class="code" href="serial2_8c.html#3ad2249053f2af0a87d54acbe2b8892f" title="Set the active state of the Serial subsystem.">Serial2_SetActive</a>( index, 1 );
<a name="l00202"></a>00202     <span class="keywordflow">if</span> ( status != <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a> )
<a name="l00203"></a>00203       <span class="keywordflow">return</span> status;
<a name="l00204"></a>00204   }
<a name="l00205"></a>00205 
<a name="l00206"></a>00206   <span class="keywordflow">if</span> ( character &gt;= 0 &amp;&amp; character &lt; 256 )
<a name="l00207"></a>00207   {
<a name="l00208"></a>00208     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c = (<span class="keywordtype">unsigned</span> char)character;
<a name="l00209"></a>00209     <span class="keywordflow">if</span>( xQueueSend( s2p-&gt;transmitQueue, &amp;c, 0 ) == 0 ) 
<a name="l00210"></a>00210       <span class="keywordflow">return</span> <a class="code" href="group___error.html#g7f84a0c690875b21180d0177b6e23f42" title="An error with the queue.">CONTROLLER_ERROR_QUEUE_ERROR</a>; 
<a name="l00211"></a>00211     s2p-&gt;at91UARTRegs-&gt;US_IER = AT91C_US_TXRDY; 
<a name="l00212"></a>00212    }
<a name="l00213"></a>00213 
<a name="l00214"></a>00214   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216 <span class="comment"></span>
<a name="l00217"></a>00217 <span class="comment">/** </span>
<a name="l00218"></a>00218 <span class="comment">  Sets the serial baud rate.</span>
<a name="l00219"></a>00219 <span class="comment">  @param baud The desired baud rate.</span>
<a name="l00220"></a>00220 <span class="comment">  @return status.</span>
<a name="l00221"></a>00221 <span class="comment">*/</span>
<a name="l00222"></a><a class="code" href="serial2_8c.html#7fdb5b08e20344239ed692c19b0cd871">00222</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#7fdb5b08e20344239ed692c19b0cd871" title="Sets the serial baud rate.">Serial2_SetBaud</a>( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> baud )
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00225"></a>00225     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00226"></a>00226 
<a name="l00227"></a>00227   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00228"></a>00228 
<a name="l00229"></a>00229   <span class="comment">// If there are no default values, get some</span>
<a name="l00230"></a>00230   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00231"></a>00231     Serial2_SetDefault( index );
<a name="l00232"></a>00232 
<a name="l00233"></a>00233   s2p-&gt;baud = baud;
<a name="l00234"></a>00234   Serial2_SetDetails( index );
<a name="l00235"></a>00235 
<a name="l00236"></a>00236   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238 <span class="comment"></span>
<a name="l00239"></a>00239 <span class="comment">/** </span>
<a name="l00240"></a>00240 <span class="comment">  Sets the number of bits per character.  5 - 8 are legal values.  8 is the default.</span>
<a name="l00241"></a>00241 <span class="comment">  @param bits bits per character</span>
<a name="l00242"></a>00242 <span class="comment">  @return status.</span>
<a name="l00243"></a>00243 <span class="comment">*/</span>
<a name="l00244"></a><a class="code" href="serial2_8c.html#019d3c9943ea78fe035888dee3c5c69d">00244</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#019d3c9943ea78fe035888dee3c5c69d" title="Sets the number of bits per character.">Serial2_SetBits</a>( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> bits )
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00247"></a>00247     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00248"></a>00248 
<a name="l00249"></a>00249   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00250"></a>00250 
<a name="l00251"></a>00251   <span class="comment">// If there are no default values, get some</span>
<a name="l00252"></a>00252   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00253"></a>00253     Serial2_SetDefault( index );
<a name="l00254"></a>00254 
<a name="l00255"></a>00255   <span class="keywordflow">if</span> ( s2p-&gt;bits &gt;= 5 &amp;&amp; s2p-&gt;bits &lt;= 8 )
<a name="l00256"></a>00256     s2p-&gt;bits = bits;
<a name="l00257"></a>00257   <span class="keywordflow">else</span>
<a name="l00258"></a>00258     s2p-&gt;bits = 8;
<a name="l00259"></a>00259 
<a name="l00260"></a>00260   Serial2_SetDetails( index );
<a name="l00261"></a>00261 
<a name="l00262"></a>00262   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00263"></a>00263 }
<a name="l00264"></a>00264 <span class="comment"></span>
<a name="l00265"></a>00265 <span class="comment">/** </span>
<a name="l00266"></a>00266 <span class="comment">  Sets the parity.  -1 is odd, 0 is none, 1 is even.  The default is none - 0.</span>
<a name="l00267"></a>00267 <span class="comment">  @param parity -1, 0 or 1.</span>
<a name="l00268"></a>00268 <span class="comment">  @return status.</span>
<a name="l00269"></a>00269 <span class="comment">*/</span>
<a name="l00270"></a><a class="code" href="serial2_8c.html#80b007c89fdf9d3f1c72261721957c2e">00270</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#80b007c89fdf9d3f1c72261721957c2e" title="Sets the parity.">Serial2_SetParity</a>( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> parity )
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00273"></a>00273     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00274"></a>00274 
<a name="l00275"></a>00275   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00276"></a>00276 
<a name="l00277"></a>00277   <span class="comment">// If there are no default values, get some</span>
<a name="l00278"></a>00278   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00279"></a>00279     Serial2_SetDefault( index );
<a name="l00280"></a>00280 
<a name="l00281"></a>00281   <span class="keywordflow">if</span> ( parity &gt;= -1 &amp;&amp; parity &lt;= 1 )
<a name="l00282"></a>00282     s2p-&gt;parity = parity;
<a name="l00283"></a>00283   <span class="keywordflow">else</span>
<a name="l00284"></a>00284     s2p-&gt;parity = 1;
<a name="l00285"></a>00285   Serial2_SetDetails( index );
<a name="l00286"></a>00286 
<a name="l00287"></a>00287   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289 <span class="comment"></span>
<a name="l00290"></a>00290 <span class="comment">/** </span>
<a name="l00291"></a>00291 <span class="comment">  Sets the stop bits per character.  1 or 2 are legal values.  1 is the default.</span>
<a name="l00292"></a>00292 <span class="comment">  @param stopBits stop bits per character</span>
<a name="l00293"></a>00293 <span class="comment">  @return status.</span>
<a name="l00294"></a>00294 <span class="comment">*/</span>
<a name="l00295"></a><a class="code" href="serial2_8c.html#e6d218ab74e7bc5dcb59bf8f1b96ef53">00295</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#e6d218ab74e7bc5dcb59bf8f1b96ef53" title="Sets the stop bits per character.">Serial2_SetStopBits</a>( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> stopBits )
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00298"></a>00298     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00299"></a>00299 
<a name="l00300"></a>00300   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00301"></a>00301 
<a name="l00302"></a>00302   <span class="comment">// If there are no default values, get some</span>
<a name="l00303"></a>00303   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00304"></a>00304     Serial2_SetDefault( index );
<a name="l00305"></a>00305 
<a name="l00306"></a>00306   <span class="keywordflow">if</span> ( stopBits == 1 || stopBits == 2 )
<a name="l00307"></a>00307     s2p-&gt;stopBits = stopBits;
<a name="l00308"></a>00308   <span class="keywordflow">else</span>
<a name="l00309"></a>00309     s2p-&gt;stopBits = 1;
<a name="l00310"></a>00310 
<a name="l00311"></a>00311   Serial2_SetDetails( index );
<a name="l00312"></a>00312 
<a name="l00313"></a>00313   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315 <span class="comment"></span>
<a name="l00316"></a>00316 <span class="comment">/** </span>
<a name="l00317"></a>00317 <span class="comment">  Sets whether hardware handshaking is being used.</span>
<a name="l00318"></a>00318 <span class="comment">  @param hardwareHandshake sets hardware handshaking on (1) or off (0)</span>
<a name="l00319"></a>00319 <span class="comment">  @return status.</span>
<a name="l00320"></a>00320 <span class="comment">*/</span>
<a name="l00321"></a><a class="code" href="serial2_8c.html#efb926e78f61334e7c870431eb94f4e8">00321</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#efb926e78f61334e7c870431eb94f4e8" title="Sets whether hardware handshaking is being used.">Serial2_SetHardwareHandshake</a>( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> hardwareHandshake )
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00324"></a>00324     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00325"></a>00325 
<a name="l00326"></a>00326   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00327"></a>00327 
<a name="l00328"></a>00328   <span class="comment">// If there are no default values, get some</span>
<a name="l00329"></a>00329   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00330"></a>00330     Serial2_SetDefault( index );
<a name="l00331"></a>00331 
<a name="l00332"></a>00332   s2p-&gt;hardwareHandshake = hardwareHandshake;
<a name="l00333"></a>00333   Serial2_SetDetails( index );
<a name="l00334"></a>00334   
<a name="l00335"></a>00335   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337 <span class="comment"></span>
<a name="l00338"></a>00338 <span class="comment">/** </span>
<a name="l00339"></a>00339 <span class="comment">  Returns a single character from the receive queue if available.  This character is returned</span>
<a name="l00340"></a>00340 <span class="comment">  unsigned - i.e. having a value of 0 - 255.  The return value is -1 if there is no character waiting.</span>
<a name="l00341"></a>00341 <span class="comment">  @return character from the queue or -1 if there is no character.</span>
<a name="l00342"></a>00342 <span class="comment">*/</span>
<a name="l00343"></a><a class="code" href="serial2_8c.html#b8924ab2458531ee4110f2702ca45632">00343</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#b8924ab2458531ee4110f2702ca45632" title="Returns a single character from the receive queue if available.">Serial2_GetChar</a>( <span class="keywordtype">int</span> index )
<a name="l00344"></a>00344 {
<a name="l00345"></a>00345   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00346"></a>00346     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00347"></a>00347 
<a name="l00348"></a>00348   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00349"></a>00349 
<a name="l00350"></a>00350   <span class="keywordflow">if</span> ( s2p-&gt;users == 0 )
<a name="l00351"></a>00351   {
<a name="l00352"></a>00352     <span class="keywordtype">int</span> status = <a class="code" href="serial2_8c.html#3ad2249053f2af0a87d54acbe2b8892f" title="Set the active state of the Serial subsystem.">Serial2_SetActive</a>( index, 1 );
<a name="l00353"></a>00353     <span class="keywordflow">if</span> ( status != <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a> )
<a name="l00354"></a>00354       <span class="keywordflow">return</span> -1;
<a name="l00355"></a>00355   }
<a name="l00356"></a>00356 
<a name="l00357"></a>00357   <span class="keywordflow">if</span> ( uxQueueMessagesWaiting( s2p-&gt;receiveQueue ) )
<a name="l00358"></a>00358   {
<a name="l00359"></a>00359     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c;
<a name="l00360"></a>00360     <span class="keywordflow">if</span>( xQueueReceive( s2p-&gt;receiveQueue, &amp;c, 0 ) == 0 )
<a name="l00361"></a>00361       <span class="keywordflow">return</span> -1;
<a name="l00362"></a>00362     <span class="keywordflow">else</span>
<a name="l00363"></a>00363       <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)c;
<a name="l00364"></a>00364   }
<a name="l00365"></a>00365   <span class="keywordflow">else</span>
<a name="l00366"></a>00366     <span class="keywordflow">return</span> -1; 
<a name="l00367"></a>00367 }
<a name="l00368"></a>00368 <span class="comment"></span>
<a name="l00369"></a>00369 <span class="comment">/** </span>
<a name="l00370"></a>00370 <span class="comment">  Returns the current baud rate</span>
<a name="l00371"></a>00371 <span class="comment">  @return baud</span>
<a name="l00372"></a>00372 <span class="comment">*/</span>
<a name="l00373"></a><a class="code" href="serial2_8c.html#2b1a6fccdb68e0d7d97a4346525438fa">00373</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#2b1a6fccdb68e0d7d97a4346525438fa" title="Returns the current baud rate.">Serial2_GetBaud</a>( <span class="keywordtype">int</span> index )
<a name="l00374"></a>00374 {
<a name="l00375"></a>00375   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00376"></a>00376     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00377"></a>00377 
<a name="l00378"></a>00378   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00379"></a>00379 
<a name="l00380"></a>00380   <span class="comment">// If there are no default values, get some</span>
<a name="l00381"></a>00381   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00382"></a>00382     Serial2_SetDefault( index );
<a name="l00383"></a>00383 
<a name="l00384"></a>00384   <span class="keywordflow">return</span> s2p-&gt;baud;
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386 <span class="comment"></span>
<a name="l00387"></a>00387 <span class="comment">/** </span>
<a name="l00388"></a>00388 <span class="comment">  Returns the number of bits for each character</span>
<a name="l00389"></a>00389 <span class="comment">  @return bits</span>
<a name="l00390"></a>00390 <span class="comment">*/</span>
<a name="l00391"></a><a class="code" href="serial2_8c.html#5a32fa24ff7dcd199517001a34f0fbd8">00391</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#5a32fa24ff7dcd199517001a34f0fbd8" title="Returns the number of bits for each character.">Serial2_GetBits</a>( <span class="keywordtype">int</span> index )
<a name="l00392"></a>00392 {
<a name="l00393"></a>00393   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00394"></a>00394     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00395"></a>00395 
<a name="l00396"></a>00396   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00397"></a>00397 
<a name="l00398"></a>00398   <span class="comment">// If there are no default values, get some</span>
<a name="l00399"></a>00399   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00400"></a>00400     Serial2_SetDefault( index );
<a name="l00401"></a>00401 
<a name="l00402"></a>00402   <span class="keywordflow">return</span> s2p-&gt;bits;
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404 <span class="comment"></span>
<a name="l00405"></a>00405 <span class="comment">/** </span>
<a name="l00406"></a>00406 <span class="comment">  Returns the current parity.  -1 means odd, 0 means none, 1 means even</span>
<a name="l00407"></a>00407 <span class="comment">  @return parity</span>
<a name="l00408"></a>00408 <span class="comment">*/</span>
<a name="l00409"></a><a class="code" href="serial2_8c.html#706ae4241944021344873f1fd9bf15fc">00409</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#706ae4241944021344873f1fd9bf15fc" title="Returns the current parity.">Serial2_GetParity</a>( <span class="keywordtype">int</span> index )
<a name="l00410"></a>00410 {
<a name="l00411"></a>00411   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00412"></a>00412     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00413"></a>00413 
<a name="l00414"></a>00414   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00415"></a>00415 
<a name="l00416"></a>00416   <span class="comment">// If there are no default values, get some</span>
<a name="l00417"></a>00417   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00418"></a>00418     Serial2_SetDefault( index );
<a name="l00419"></a>00419 
<a name="l00420"></a>00420   <span class="keywordflow">return</span> s2p-&gt;parity;
<a name="l00421"></a>00421 }
<a name="l00422"></a>00422 <span class="comment"></span>
<a name="l00423"></a>00423 <span class="comment">/** </span>
<a name="l00424"></a>00424 <span class="comment">  Returns the number of stop bits.</span>
<a name="l00425"></a>00425 <span class="comment">  @return stopBits</span>
<a name="l00426"></a>00426 <span class="comment">*/</span>
<a name="l00427"></a><a class="code" href="serial2_8c.html#360964ddcd840dd0770c39b49c0f6c83">00427</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#360964ddcd840dd0770c39b49c0f6c83" title="Returns the number of stop bits.">Serial2_GetStopBits</a>( <span class="keywordtype">int</span> index )
<a name="l00428"></a>00428 {
<a name="l00429"></a>00429   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00430"></a>00430     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00431"></a>00431 
<a name="l00432"></a>00432   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00433"></a>00433 
<a name="l00434"></a>00434   <span class="comment">// If there are no default values, get some</span>
<a name="l00435"></a>00435   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00436"></a>00436     Serial2_SetDefault( index );
<a name="l00437"></a>00437 
<a name="l00438"></a>00438   <span class="keywordflow">return</span> s2p-&gt;stopBits;
<a name="l00439"></a>00439 }
<a name="l00440"></a>00440 <span class="comment"></span>
<a name="l00441"></a>00441 <span class="comment">/** </span>
<a name="l00442"></a>00442 <span class="comment">  Returns whether hardware handshaking is being employed or not.</span>
<a name="l00443"></a>00443 <span class="comment">  @return hardwareHandshake</span>
<a name="l00444"></a>00444 <span class="comment">*/</span>
<a name="l00445"></a><a class="code" href="serial2_8c.html#b0e12dc10a96976e0084f0214b20df91">00445</a> <span class="keywordtype">int</span> <a class="code" href="serial2_8c.html#b0e12dc10a96976e0084f0214b20df91" title="Returns whether hardware handshaking is being employed or not.">Serial2_GetHardwareHandshake</a>( <span class="keywordtype">int</span> index )
<a name="l00446"></a>00446 {
<a name="l00447"></a>00447   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00448"></a>00448     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00449"></a>00449 
<a name="l00450"></a>00450   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00451"></a>00451 
<a name="l00452"></a>00452   <span class="comment">// If there are no default values, get some</span>
<a name="l00453"></a>00453   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00454"></a>00454     Serial2_SetDefault( index );
<a name="l00455"></a>00455 
<a name="l00456"></a>00456   <span class="keywordflow">return</span> s2p-&gt;hardwareHandshake;
<a name="l00457"></a>00457 }
<a name="l00458"></a>00458 
<a name="l00459"></a>00459 <span class="keywordtype">int</span> Serial2_Init( <span class="keywordtype">int</span> index )
<a name="l00460"></a>00460 {
<a name="l00461"></a>00461   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00462"></a>00462     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00463"></a>00463 
<a name="l00464"></a>00464   <span class="comment">// Do as a one-time thing</span>
<a name="l00465"></a>00465   <span class="keywordflow">if</span> ( Serial2_Users++ == 0 )
<a name="l00466"></a>00466   {
<a name="l00467"></a>00467   }
<a name="l00468"></a>00468 
<a name="l00469"></a>00469   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00470"></a>00470 
<a name="l00471"></a>00471   <span class="keywordtype">int</span> id;
<a name="l00472"></a>00472   <span class="keywordtype">int</span> rxPin;
<a name="l00473"></a>00473   <span class="keywordtype">int</span> txPin;
<a name="l00474"></a>00474   <span class="keywordtype">long</span> rxPinBit;
<a name="l00475"></a>00475   <span class="keywordtype">long</span> txPinBit;
<a name="l00476"></a>00476   <span class="keywordflow">if</span> ( index == 0 )
<a name="l00477"></a>00477   {
<a name="l00478"></a>00478     <span class="keywordtype">id</span> = AT91C_ID_US0;
<a name="l00479"></a>00479     rxPinBit = IO_PA00_BIT;
<a name="l00480"></a>00480     txPinBit = IO_PA01_BIT;
<a name="l00481"></a>00481     rxPin = <a class="code" href="group___io_indices.html#g4b4eeed896a729a5d9486c8b5ab5e7d2" title="IO 0, Port A.">IO_PA00</a>;
<a name="l00482"></a>00482     txPin = <a class="code" href="group___io_indices.html#gd091a284381793316e217ae060cc12f5" title="IO 1, Port A.">IO_PA01</a>;
<a name="l00483"></a>00483     s2p-&gt;at91UARTRegs = AT91C_BASE_US0;
<a name="l00484"></a>00484   }
<a name="l00485"></a>00485   <span class="keywordflow">else</span>
<a name="l00486"></a>00486   {
<a name="l00487"></a>00487     <span class="keywordtype">id</span> = AT91C_ID_US1;
<a name="l00488"></a>00488     rxPinBit = IO_PA05_BIT;
<a name="l00489"></a>00489     txPinBit = IO_PA06_BIT;
<a name="l00490"></a>00490     rxPin = <a class="code" href="group___io_indices.html#gbda3ebf6deca01f49af94b0d021c72ce" title="IO 5, Port A.">IO_PA05</a>;
<a name="l00491"></a>00491     txPin = <a class="code" href="group___io_indices.html#gc2e6a513c154f0b3c6f8477f6466a243" title="IO 6, Port A.">IO_PA06</a>;
<a name="l00492"></a>00492     s2p-&gt;at91UARTRegs = AT91C_BASE_US1;
<a name="l00493"></a>00493   }
<a name="l00494"></a>00494 
<a name="l00495"></a>00495   <span class="comment">// Enable the peripheral clock</span>
<a name="l00496"></a>00496   AT91C_BASE_PMC-&gt;PMC_PCER = 1 &lt;&lt; id;
<a name="l00497"></a>00497 
<a name="l00498"></a>00498   <span class="comment">// If there are no default values, get some</span>
<a name="l00499"></a>00499   <span class="keywordflow">if</span> ( !s2p-&gt;detailsInitialized )
<a name="l00500"></a>00500     Serial2_SetDefault( index );
<a name="l00501"></a>00501 
<a name="l00502"></a>00502   <span class="keywordtype">int</span> status;
<a name="l00503"></a>00503    
<a name="l00504"></a>00504   status = Io_StartBits( rxPinBit | txPinBit, <span class="keyword">false</span>  );
<a name="l00505"></a>00505   <span class="keywordflow">if</span> ( status != <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a> )
<a name="l00506"></a>00506     <span class="keywordflow">return</span> status;
<a name="l00507"></a>00507 
<a name="l00508"></a>00508   Io_SetPeripheralA( rxPin );
<a name="l00509"></a>00509   Io_SetPeripheralA( txPin );
<a name="l00510"></a>00510   Io_PioDisable( rxPin );
<a name="l00511"></a>00511   Io_PioDisable( txPin );
<a name="l00512"></a>00512   
<a name="l00513"></a>00513   <span class="comment">// Create the queues</span>
<a name="l00514"></a>00514   s2p-&gt;receiveQueue = xQueueCreate( 100, 1 ); 
<a name="l00515"></a>00515   s2p-&gt;transmitQueue = xQueueCreate( 100, 1 ); 
<a name="l00516"></a>00516 
<a name="l00517"></a>00517   <span class="comment">// Disable interrupts</span>
<a name="l00518"></a>00518   s2p-&gt;at91UARTRegs-&gt;US_IDR = (<span class="keywordtype">unsigned</span> int) -1;
<a name="l00519"></a>00519 
<a name="l00520"></a>00520   <span class="comment">// Timeguard disabled</span>
<a name="l00521"></a>00521   s2p-&gt;at91UARTRegs-&gt;US_TTGR = 0;
<a name="l00522"></a>00522 
<a name="l00523"></a>00523   <span class="comment">// Most of the detail setting is done in here</span>
<a name="l00524"></a>00524   <span class="comment">// Also Resets TXRX and re-enables RX</span>
<a name="l00525"></a>00525   Serial2_SetDetails( index );
<a name="l00526"></a>00526 
<a name="l00527"></a>00527   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mask = 0x1 &lt;&lt; id;    
<a name="l00528"></a>00528                         
<a name="l00529"></a>00529   <span class="comment">/* Disable the interrupt on the interrupt controller */</span>         
<a name="l00530"></a>00530   AT91C_BASE_AIC-&gt;AIC_IDCR = mask ;                   
<a name="l00531"></a>00531   <span class="comment">/* Save the interrupt handler routine pointer and the interrupt priority */</span> 
<a name="l00532"></a>00532   AT91C_BASE_AIC-&gt;AIC_SVR[ id ] = (<span class="keywordtype">unsigned</span> int)Serial2Isr_Wrapper;     
<a name="l00533"></a>00533   <span class="comment">/* Store the Source Mode Register */</span>                  
<a name="l00534"></a>00534   AT91C_BASE_AIC-&gt;AIC_SMR[ id ] = AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL | 4  ;       
<a name="l00535"></a>00535   <span class="comment">/* Clear the interrupt on the interrupt controller */</span>         
<a name="l00536"></a>00536   AT91C_BASE_AIC-&gt;AIC_ICCR = mask ;         
<a name="l00537"></a>00537 
<a name="l00538"></a>00538   AT91C_BASE_AIC-&gt;AIC_IECR = mask;
<a name="l00539"></a>00539 
<a name="l00540"></a>00540   s2p-&gt;at91UARTRegs-&gt;US_IER = AT91C_US_RXRDY; 
<a name="l00541"></a>00541 
<a name="l00542"></a>00542 
<a name="l00543"></a>00543   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545 
<a name="l00546"></a>00546 <span class="keywordtype">int</span> Serial2_Deinit( <span class="keywordtype">int</span> index )
<a name="l00547"></a>00547 {
<a name="l00548"></a>00548   (void)index;
<a name="l00549"></a>00549   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00550"></a>00550 }
<a name="l00551"></a>00551 
<a name="l00552"></a>00552 <span class="keywordtype">int</span> Serial2_SetDetails( <span class="keywordtype">int</span> index )
<a name="l00553"></a>00553 {
<a name="l00554"></a>00554   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00555"></a>00555     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00556"></a>00556 
<a name="l00557"></a>00557   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00558"></a>00558 
<a name="l00559"></a>00559   <span class="keywordflow">if</span> ( s2p-&gt;users )
<a name="l00560"></a>00560   {
<a name="l00561"></a>00561      <span class="comment">// Reset receiver and transmitter</span>
<a name="l00562"></a>00562     s2p-&gt;at91UARTRegs-&gt;US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX | AT91C_US_RXDIS | AT91C_US_TXDIS; 
<a name="l00563"></a>00563 
<a name="l00564"></a>00564     <span class="keywordtype">int</span> baudValue; 
<a name="l00565"></a>00565 
<a name="l00566"></a>00566     <span class="comment">// MCK is 47923200 for the Make Controller Kit</span>
<a name="l00567"></a>00567 
<a name="l00568"></a>00568     <span class="comment">// Calculate ( * 10 )</span>
<a name="l00569"></a>00569     baudValue = ( MCK * 10 ) / ( s2p-&gt;baud * 16 );
<a name="l00570"></a>00570     <span class="comment">// Round (and / 10)</span>
<a name="l00571"></a>00571     <span class="keywordflow">if</span> ( ( baudValue % 10 ) &gt;= 5 ) 
<a name="l00572"></a>00572       baudValue = ( baudValue / 10 ) + 1; 
<a name="l00573"></a>00573     <span class="keywordflow">else</span> 
<a name="l00574"></a>00574       baudValue /= 10;
<a name="l00575"></a>00575 
<a name="l00576"></a>00576     s2p-&gt;at91UARTRegs-&gt;US_BRGR = baudValue; 
<a name="l00577"></a>00577 
<a name="l00578"></a>00578     s2p-&gt;at91UARTRegs-&gt;US_MR = 
<a name="l00579"></a>00579       ( ( s2p-&gt;hardwareHandshake ) ? AT91C_US_USMODE_HWHSH : AT91C_US_USMODE_NORMAL ) |
<a name="l00580"></a>00580       ( AT91C_US_CLKS_CLOCK ) |
<a name="l00581"></a>00581       ( ( ( s2p-&gt;bits - 5 ) &lt;&lt; 6 ) &amp; AT91C_US_CHRL ) |
<a name="l00582"></a>00582       ( ( s2p-&gt;stopBits == 1 ) ? AT91C_US_NBSTOP_1_BIT : AT91C_US_NBSTOP_1_BIT ) |
<a name="l00583"></a>00583       ( ( s2p-&gt;parity == 0 ) ? AT91C_US_PAR_NONE : ( ( s2p-&gt;parity == -1 ) ? AT91C_US_PAR_ODD : AT91C_US_PAR_EVEN ) );
<a name="l00584"></a>00584       <span class="comment">// 2 &lt;&lt; 14; // this last thing puts it in loopback mode</span>
<a name="l00585"></a>00585 
<a name="l00586"></a>00586 
<a name="l00587"></a>00587     s2p-&gt;at91UARTRegs-&gt;US_CR = AT91C_US_RXEN | AT91C_US_TXEN; 
<a name="l00588"></a>00588   }
<a name="l00589"></a>00589   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00590"></a>00590 }
<a name="l00591"></a>00591 
<a name="l00592"></a>00592 <span class="keywordtype">int</span> Serial2_SetDefault( <span class="keywordtype">int</span> index )
<a name="l00593"></a>00593 {
<a name="l00594"></a>00594   <span class="keywordflow">if</span> ( index &lt; 0 || index &gt; 1 )
<a name="l00595"></a>00595     <span class="keywordflow">return</span> <a class="code" href="group___error.html#g097f40c958abccd892d08f31b53c4dde" title="The requested index is not valid.">CONTROLLER_ERROR_ILLEGAL_INDEX</a>;
<a name="l00596"></a>00596 
<a name="l00597"></a>00597   Serial2_* s2p = &amp;Serial2[ index ];
<a name="l00598"></a>00598 
<a name="l00599"></a>00599   s2p-&gt;baud = 9600;
<a name="l00600"></a>00600   s2p-&gt;bits = 8;
<a name="l00601"></a>00601   s2p-&gt;stopBits = 1;
<a name="l00602"></a>00602   s2p-&gt;parity = 0;
<a name="l00603"></a>00603   s2p-&gt;hardwareHandshake = 0;
<a name="l00604"></a>00604 
<a name="l00605"></a>00605   s2p-&gt;detailsInitialized = <span class="keyword">true</span>;
<a name="l00606"></a>00606   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00607"></a>00607 }
<a name="l00608"></a>00608 
<a name="l00609"></a>00609 <span class="preprocessor">#ifdef OSC</span>
<a name="l00610"></a>00610 <span class="preprocessor"></span><span class="comment">// \defgroup Serial2OSC Serial2 - OSC // not including this in main doc, for now</span>
<a name="l00611"></a>00611 <span class="comment">/*</span>
<a name="l00612"></a>00612 <span class="comment">  Configure the Serial Port and Read Characters via OSC.</span>
<a name="l00613"></a>00613 <span class="comment">  \ingroup OSC</span>
<a name="l00614"></a>00614 <span class="comment">  </span>
<a name="l00615"></a>00615 <span class="comment">  \section properties Properties</span>
<a name="l00616"></a>00616 <span class="comment">  The Serial Subsystem has several configurational properties and a character getter</span>
<a name="l00617"></a>00617 <span class="comment">  and a character setter.</span>
<a name="l00618"></a>00618 <span class="comment"></span>
<a name="l00619"></a>00619 <span class="comment">  \par Baud</span>
<a name="l00620"></a>00620 <span class="comment">  The Baud rate of the device. Valid from 110 baud to &gt;2M baud\n</span>
<a name="l00621"></a>00621 <span class="comment">  To set baud rate to 115200, for example, send the message</span>
<a name="l00622"></a>00622 <span class="comment">  \verbatim /serial/baud 112500\endverbatim</span>
<a name="l00623"></a>00623 <span class="comment">  </span>
<a name="l00624"></a>00624 <span class="comment">  \par Bits</span>
<a name="l00625"></a>00625 <span class="comment">  The number of bits per character.  Can range from 5 to 8\n</span>
<a name="l00626"></a>00626 <span class="comment">  To set the number of bits to 7, for example, send the message</span>
<a name="l00627"></a>00627 <span class="comment">  \verbatim /serial/bits 7\endverbatim</span>
<a name="l00628"></a>00628 <span class="comment">  </span>
<a name="l00629"></a>00629 <span class="comment">  \par StopBits</span>
<a name="l00630"></a>00630 <span class="comment">  The number of stop bits per character.  Can be 1 or 2\n</span>
<a name="l00631"></a>00631 <span class="comment">  To set the number of stop bits to 2, for example, send the message</span>
<a name="l00632"></a>00632 <span class="comment">  \verbatim /serial/stopbits 2\endverbatim</span>
<a name="l00633"></a>00633 <span class="comment"></span>
<a name="l00634"></a>00634 <span class="comment">  \par Parity</span>
<a name="l00635"></a>00635 <span class="comment">  The parity of the character.  Can be -1 for odd, 0 for none or 1 for even\n</span>
<a name="l00636"></a>00636 <span class="comment">  To set the parity to even, for example, send the message</span>
<a name="l00637"></a>00637 <span class="comment">  \verbatim /serial/parity 1\endverbatim</span>
<a name="l00638"></a>00638 <span class="comment"></span>
<a name="l00639"></a>00639 <span class="comment">  \par HardwareHandshake</span>
<a name="l00640"></a>00640 <span class="comment">  Whether hardware handshaking (i.e. CTS RTS) is being employed.\n</span>
<a name="l00641"></a>00641 <span class="comment">  To set hardware handshaking on, for example, send the message</span>
<a name="l00642"></a>00642 <span class="comment">  \verbatim /serial/hardwarehandshaking 1\endverbatim</span>
<a name="l00643"></a>00643 <span class="comment"></span>
<a name="l00644"></a>00644 <span class="comment">  \par Readable</span>
<a name="l00645"></a>00645 <span class="comment">  How many characters are presently available to read.\n</span>
<a name="l00646"></a>00646 <span class="comment">  To check, for example, send the message</span>
<a name="l00647"></a>00647 <span class="comment">  \verbatim /serial/readable\endverbatim</span>
<a name="l00648"></a>00648 <span class="comment"></span>
<a name="l00649"></a>00649 <span class="comment">  \par Char</span>
<a name="l00650"></a>00650 <span class="comment">  This property is the mechanism by which individual characters can be sent and received\n</span>
<a name="l00651"></a>00651 <span class="comment">  To send a character 32 (a space), for example, send the message</span>
<a name="l00652"></a>00652 <span class="comment">  \verbatim /serial/char 32\endverbatim</span>
<a name="l00653"></a>00653 <span class="comment">  To get a character send the message</span>
<a name="l00654"></a>00654 <span class="comment">  \verbatim /serial/char\endverbatim</span>
<a name="l00655"></a>00655 <span class="comment">  In this case the reply will be an unsigned value between 0 and 255 or -1 if there is </span>
<a name="l00656"></a>00656 <span class="comment">  no character available.</span>
<a name="l00657"></a>00657 <span class="comment"></span>
<a name="l00658"></a>00658 <span class="comment">*/</span>
<a name="l00659"></a>00659 
<a name="l00660"></a>00660 <span class="preprocessor">#include "osc.h"</span>
<a name="l00661"></a>00661 <span class="preprocessor">#include "string.h"</span>
<a name="l00662"></a>00662 <span class="preprocessor">#include "stdio.h"</span>
<a name="l00663"></a>00663 
<a name="l00664"></a>00664 <span class="preprocessor">#include "types.h"</span>
<a name="l00665"></a>00665 
<a name="l00666"></a>00666 <span class="comment">// Need a list of property names</span>
<a name="l00667"></a>00667 <span class="comment">// MUST end in zero</span>
<a name="l00668"></a>00668 <span class="keyword">static</span> <span class="keywordtype">char</span>* Serial2Osc_Name = <span class="stringliteral">"serial2"</span>;
<a name="l00669"></a>00669 <span class="keyword">static</span> <span class="keywordtype">char</span>* Serial2Osc_IntPropertyNames[] = { <span class="stringliteral">"active"</span>, <span class="stringliteral">"char"</span>, <span class="stringliteral">"baud"</span>, <span class="stringliteral">"bits"</span>, <span class="stringliteral">"stopbits"</span>, <span class="stringliteral">"parity"</span>, <span class="stringliteral">"hardwarehandshake"</span>, <span class="stringliteral">"readable"</span>, 0  }; <span class="comment">// must have a trailing 0</span>
<a name="l00670"></a>00670 <span class="keyword">static</span> <span class="keywordtype">char</span>* Serial2Osc_BlobPropertyNames[] = { <span class="stringliteral">"block"</span>, 0  }; <span class="comment">// must have a trailing 0</span>
<a name="l00671"></a>00671 
<a name="l00672"></a>00672 <span class="keywordtype">int</span> Serial2Osc_IntPropertySet( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> property, <span class="keywordtype">int</span> value );
<a name="l00673"></a>00673 <span class="keywordtype">int</span> Serial2Osc_IntPropertyGet( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> property );
<a name="l00674"></a>00674 
<a name="l00675"></a>00675 <span class="keywordtype">int</span> Serial2Osc_BlobPropertySet( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> property, uchar* blob, <span class="keywordtype">int</span> length );
<a name="l00676"></a>00676 <span class="keywordtype">int</span> Serial2Osc_BlobPropertyGet( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> property, uchar* blob, <span class="keywordtype">int</span> size );
<a name="l00677"></a>00677 
<a name="l00678"></a>00678 <span class="comment">// Returns the name of the subsystem</span>
<a name="l00679"></a>00679 <span class="keyword">const</span> <span class="keywordtype">char</span>* Serial2Osc_GetName( )
<a name="l00680"></a>00680 {
<a name="l00681"></a>00681   <span class="keywordflow">return</span> Serial2Osc_Name;
<a name="l00682"></a>00682 }
<a name="l00683"></a>00683 
<a name="l00684"></a>00684 <span class="comment">// Now getting a message.  This is actually a part message, with the first</span>
<a name="l00685"></a>00685 <span class="comment">// part (the subsystem) already parsed off.</span>
<a name="l00686"></a>00686 <span class="keywordtype">int</span> Serial2Osc_ReceiveMessage( <span class="keywordtype">int</span> channel, <span class="keywordtype">char</span>* message, <span class="keywordtype">int</span> length )
<a name="l00687"></a>00687 {
<a name="l00688"></a>00688   <span class="keywordtype">int</span> status = <a class="code" href="group___o_s_c_a_p_i.html#gdaa5a3868eeedcf785c3d52f6b36ef34" title="Receive integers for a subsystem with multiple indexes.">Osc_IndexIntReceiverHelper</a>( channel, message, length, 2,
<a name="l00689"></a>00689                                       Serial2Osc_Name,
<a name="l00690"></a>00690                                       Serial2Osc_IntPropertySet, Serial2Osc_IntPropertyGet, 
<a name="l00691"></a>00691                                       Serial2Osc_IntPropertyNames );
<a name="l00692"></a>00692 
<a name="l00693"></a>00693   <span class="keywordflow">if</span> ( status != <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a> )
<a name="l00694"></a>00694     status = <a class="code" href="group___o_s_c_a_p_i.html#gd6d4ee5a60624c22a31e0b59e560326c" title="Receive an OSC blob for a subsystem with indexes.">Osc_IndexBlobReceiverHelper</a>( channel, message, length, 2,
<a name="l00695"></a>00695                                       Serial2Osc_Name,
<a name="l00696"></a>00696                                       Serial2Osc_BlobPropertySet, Serial2Osc_BlobPropertyGet, 
<a name="l00697"></a>00697                                       Serial2Osc_BlobPropertyNames );                        
<a name="l00698"></a>00698 
<a name="l00699"></a>00699   <span class="keywordflow">if</span> ( status != <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a> )
<a name="l00700"></a>00700     <span class="keywordflow">return</span> Osc_SendError( channel, Serial2Osc_Name, status );
<a name="l00701"></a>00701   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00702"></a>00702 }
<a name="l00703"></a>00703 <span class="comment">// Set the index LED, property with the value</span>
<a name="l00704"></a>00704 <span class="keywordtype">int</span> Serial2Osc_IntPropertySet( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> property, <span class="keywordtype">int</span> value )
<a name="l00705"></a>00705 {
<a name="l00706"></a>00706   <span class="keywordflow">switch</span> ( property )
<a name="l00707"></a>00707   {
<a name="l00708"></a>00708     <span class="keywordflow">case</span> 0: 
<a name="l00709"></a>00709       <a class="code" href="serial2_8c.html#3ad2249053f2af0a87d54acbe2b8892f" title="Set the active state of the Serial subsystem.">Serial2_SetActive</a>( index, value );
<a name="l00710"></a>00710       <span class="keywordflow">break</span>;      
<a name="l00711"></a>00711     <span class="keywordflow">case</span> 1: 
<a name="l00712"></a>00712       <a class="code" href="serial2_8c.html#0bd064b63fd6aec22cba41e654152053" title="Sends a character (in the range of 0 to 255) to the write queue.">Serial2_SetChar</a>( index, value );
<a name="l00713"></a>00713       <span class="keywordflow">break</span>;      
<a name="l00714"></a>00714     <span class="keywordflow">case</span> 2: 
<a name="l00715"></a>00715       <a class="code" href="serial2_8c.html#7fdb5b08e20344239ed692c19b0cd871" title="Sets the serial baud rate.">Serial2_SetBaud</a>( index, value );
<a name="l00716"></a>00716       <span class="keywordflow">break</span>;      
<a name="l00717"></a>00717     <span class="keywordflow">case</span> 3: 
<a name="l00718"></a>00718       <a class="code" href="serial2_8c.html#019d3c9943ea78fe035888dee3c5c69d" title="Sets the number of bits per character.">Serial2_SetBits</a>( index, value );
<a name="l00719"></a>00719       <span class="keywordflow">break</span>;    
<a name="l00720"></a>00720     <span class="keywordflow">case</span> 4: 
<a name="l00721"></a>00721       <a class="code" href="serial2_8c.html#e6d218ab74e7bc5dcb59bf8f1b96ef53" title="Sets the stop bits per character.">Serial2_SetStopBits</a>( index, value );
<a name="l00722"></a>00722       <span class="keywordflow">break</span>;
<a name="l00723"></a>00723     <span class="keywordflow">case</span> 5: 
<a name="l00724"></a>00724       <a class="code" href="serial2_8c.html#80b007c89fdf9d3f1c72261721957c2e" title="Sets the parity.">Serial2_SetParity</a>( index, value );
<a name="l00725"></a>00725       <span class="keywordflow">break</span>;    
<a name="l00726"></a>00726     <span class="keywordflow">case</span> 6: 
<a name="l00727"></a>00727       <a class="code" href="serial2_8c.html#efb926e78f61334e7c870431eb94f4e8" title="Sets whether hardware handshaking is being used.">Serial2_SetHardwareHandshake</a>( index, value );
<a name="l00728"></a>00728       <span class="keywordflow">break</span>;    
<a name="l00729"></a>00729   }
<a name="l00730"></a>00730   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00731"></a>00731 }
<a name="l00732"></a>00732 
<a name="l00733"></a>00733 <span class="comment">// Get the index, property</span>
<a name="l00734"></a>00734 <span class="keywordtype">int</span> Serial2Osc_IntPropertyGet( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> property )
<a name="l00735"></a>00735 {
<a name="l00736"></a>00736   <span class="keywordtype">int</span> value = 0;
<a name="l00737"></a>00737   <span class="keywordflow">switch</span> ( property )
<a name="l00738"></a>00738   {
<a name="l00739"></a>00739     <span class="keywordflow">case</span> 0:
<a name="l00740"></a>00740       value = <a class="code" href="serial2_8c.html#df7ee44e4cedb77083f4b8d4446d63ae" title="Read the active state of the Serial subsystem.">Serial2_GetActive</a>( index );
<a name="l00741"></a>00741       <span class="keywordflow">break</span>;
<a name="l00742"></a>00742     <span class="keywordflow">case</span> 1:
<a name="l00743"></a>00743       value = <a class="code" href="serial2_8c.html#b8924ab2458531ee4110f2702ca45632" title="Returns a single character from the receive queue if available.">Serial2_GetChar</a>( index );
<a name="l00744"></a>00744       <span class="keywordflow">break</span>;
<a name="l00745"></a>00745     <span class="keywordflow">case</span> 2:
<a name="l00746"></a>00746       value = <a class="code" href="serial2_8c.html#2b1a6fccdb68e0d7d97a4346525438fa" title="Returns the current baud rate.">Serial2_GetBaud</a>( index );
<a name="l00747"></a>00747       <span class="keywordflow">break</span>;
<a name="l00748"></a>00748     <span class="keywordflow">case</span> 3:
<a name="l00749"></a>00749       value = <a class="code" href="serial2_8c.html#5a32fa24ff7dcd199517001a34f0fbd8" title="Returns the number of bits for each character.">Serial2_GetBits</a>( index );
<a name="l00750"></a>00750       <span class="keywordflow">break</span>;
<a name="l00751"></a>00751     <span class="keywordflow">case</span> 4:
<a name="l00752"></a>00752       value = <a class="code" href="serial2_8c.html#360964ddcd840dd0770c39b49c0f6c83" title="Returns the number of stop bits.">Serial2_GetStopBits</a>( index );
<a name="l00753"></a>00753       <span class="keywordflow">break</span>;
<a name="l00754"></a>00754     <span class="keywordflow">case</span> 5:
<a name="l00755"></a>00755       value = <a class="code" href="serial2_8c.html#706ae4241944021344873f1fd9bf15fc" title="Returns the current parity.">Serial2_GetParity</a>( index );
<a name="l00756"></a>00756       <span class="keywordflow">break</span>;
<a name="l00757"></a>00757     <span class="keywordflow">case</span> 6:
<a name="l00758"></a>00758       value = <a class="code" href="serial2_8c.html#b0e12dc10a96976e0084f0214b20df91" title="Returns whether hardware handshaking is being employed or not.">Serial2_GetHardwareHandshake</a>( index );
<a name="l00759"></a>00759       <span class="keywordflow">break</span>;
<a name="l00760"></a>00760     <span class="keywordflow">case</span> 7:
<a name="l00761"></a>00761       value = <a class="code" href="serial2_8c.html#c8ed4335d61042e279ab295300f917bf" title="Returns the number of bytes in the queue waiting to be read.">Serial2_GetReadable</a>( index );
<a name="l00762"></a>00762       <span class="keywordflow">break</span>;
<a name="l00763"></a>00763   }
<a name="l00764"></a>00764   
<a name="l00765"></a>00765   <span class="keywordflow">return</span> value;
<a name="l00766"></a>00766 }
<a name="l00767"></a>00767 
<a name="l00768"></a>00768 <span class="comment">// Get the index, property</span>
<a name="l00769"></a>00769 <span class="keywordtype">int</span> Serial2Osc_BlobPropertyGet( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> property, uchar* blob, <span class="keywordtype">int</span> maxSize )
<a name="l00770"></a>00770 {
<a name="l00771"></a>00771   <span class="keywordtype">int</span> xfer = 0;
<a name="l00772"></a>00772   <span class="keywordflow">switch</span> ( property )
<a name="l00773"></a>00773   {
<a name="l00774"></a>00774     <span class="keywordflow">case</span> 0:
<a name="l00775"></a>00775     {
<a name="l00776"></a>00776       <span class="keywordtype">int</span> length = <a class="code" href="serial2_8c.html#c8ed4335d61042e279ab295300f917bf" title="Returns the number of bytes in the queue waiting to be read.">Serial2_GetReadable</a>( index );
<a name="l00777"></a>00777       xfer = ( length &lt; maxSize ) ? length : maxSize;
<a name="l00778"></a>00778       <span class="keywordflow">if</span> ( xfer &gt; 0 )
<a name="l00779"></a>00779         <a class="code" href="serial2_8c.html#53b9cbef8c6d2df68f5b952ff8c48dd5" title="Read data from the Serial port.">Serial2_Read</a>( index, blob, xfer, 100 );
<a name="l00780"></a>00780       <span class="keywordflow">break</span>;
<a name="l00781"></a>00781     }
<a name="l00782"></a>00782   }
<a name="l00783"></a>00783   
<a name="l00784"></a>00784   <span class="keywordflow">return</span> xfer;
<a name="l00785"></a>00785 }
<a name="l00786"></a>00786 
<a name="l00787"></a>00787 
<a name="l00788"></a>00788 <span class="comment">// Set the index LED, property with the value</span>
<a name="l00789"></a>00789 <span class="keywordtype">int</span> Serial2Osc_BlobPropertySet( <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> property, uchar* blob, <span class="keywordtype">int</span> length )
<a name="l00790"></a>00790 {
<a name="l00791"></a>00791   <span class="keywordflow">switch</span> ( property )
<a name="l00792"></a>00792   {
<a name="l00793"></a>00793     <span class="keywordflow">case</span> 0: 
<a name="l00794"></a>00794       <a class="code" href="serial2_8c.html#5f21941637a2a450a2837247dca6dfdc" title="Write a block of data to the Serial port.">Serial2_Write</a>( index, blob, length, 100 );
<a name="l00795"></a>00795       <span class="keywordflow">break</span>;      
<a name="l00796"></a>00796   }
<a name="l00797"></a>00797   <span class="keywordflow">return</span> <a class="code" href="group___error.html#gaa42bc036fbba18487ae9a15cd1f2f94" title="All&amp;#39;s well here.">CONTROLLER_OK</a>;
<a name="l00798"></a>00798 }
<a name="l00799"></a>00799 
<a name="l00800"></a>00800 <span class="preprocessor">#endif</span>
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  <p class="footer">The Make Controller Kit is an open source project maintained by <a href="http://www.makingthings.com">MakingThings</a>.<br />
    MakingThings code is released under the <a href="http://www.apache.org/licenses/LICENSE-2.0.html" target="_blank">Apache 2.0 license</a>.<br />
    Bug tracker, development wiki and status can be found at <a href="http://dev.makingthings.com">http://dev.makingthings.com</a>.<br />
		This document was last updated on 5 Dec 2007.
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